Haiou Ni1, Jie Wu1, Ze Sun2, Gui-Min Lu2 and Jianguo Yu3, (1)East China University of Science and Technology, Shanghai, China, (2)National Engineering Research Center for Integrated Utilization of Salt Lake Resources, East China University of Science and Technology, Shanghai, China, (3)National Engineering Research Centre for Integrated Utilization of Salt Lake Resources, East China University of Science and Technology, Shanghai, China